You should think about a good abreviation for the language. All m23 languages have a short 2 letter name that is used for directory name (e.g. de=german, en=english, fr=french).
Make the directories:
/m23/inc/i18n/<your language short name>
/m23/inc/help/<your language short name>
if you use a console to create the directories it may look like this:
mkdir /m23/inc/i18n/de
mkdir /m23/inc/help/de
dodger
2018-05-08